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Finding the Fourth Proportional to 37,894.97, 52,292.80 and 21,764.91

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Solution

The fourth proportional to 37,894.97, 52,292.80 and 21,764.91 is: 30,034.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,894.97 : 52,292.80 = 21,764.91 : x
  2. Step 2: Convert to fraction form
    37,894.97/52,292.80 = 21,764.91/x
  3. Step 3: Cross multiply
    37,894.97x = 52,292.80 × 21,764.91
  4. Step 4: Simplify right side
    37,894.97x = 1,138,147,863.67
  5. Step 5: Solve for x
    x = 1,138,147,863.67/37,894.97
  6. Step 6: Final answer
    x = 30,034.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.